diff options
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index f1b56eb77b1d..9ab4086d463c 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -64,13 +64,14 @@ static void btrfs_put_super (struct super_block * sb) enum { Opt_subvol, Opt_nodatasum, Opt_nodatacow, Opt_max_extent, - Opt_alloc_start, Opt_err, + Opt_alloc_start, Opt_nobarrier, Opt_err, }; static match_table_t tokens = { {Opt_subvol, "subvol=%s"}, {Opt_nodatasum, "nodatasum"}, {Opt_nodatacow, "nodatacow"}, + {Opt_nobarrier, "nobarrier"}, {Opt_max_extent, "max_extent=%s"}, {Opt_alloc_start, "alloc_start=%s"}, {Opt_err, NULL} @@ -148,6 +149,12 @@ static int parse_options (char * options, btrfs_set_opt(info->mount_opt, NODATASUM); } break; + case Opt_nobarrier: + if (info) { + printk("btrfs: turning off barriers\n"); + btrfs_set_opt(info->mount_opt, NOBARRIER); + } + break; case Opt_max_extent: if (info) { char *num = match_strdup(&args[0]); |